Thanks Manudev ji for detailed explanation of the latest name Dr. Gurcharan Singh Retired Associate Professor SGTB Khalsa College, University of Delhi, Delhi-110007 Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018. Phone: 011-25518297 Mob: 9810359089 http://www.gurcharanfamily.com/ http://people.du.ac.in/~singhg45/
On Fri, Aug 8, 2014 at 12:22 AM, Nidhan Singh <[email protected]> wrote: > Thanks Manudev Ji for latest update.. > > > On Fri, Aug 8, 2014 at 12:40 PM, manudev madhavan < > [email protected]> wrote: > >> Dear All, >> >> The name of this species has been changed very recently. Specht & >> Stevenson (2006) proposed a separate genus status for this species as >> *Cheilocostus >> speciosus *(J.Koenig) C.D.Specht (2006: 159) based on a new >> phylogeny-based classification of the family Costaceae. They choose *C. >> speciosus *as the type species based on* Banksea speciosa* J.Koenig >> (1783: 75). But this generic name is a later parahomonym of *Banksia >> *J.R.Forster >> & G.Forster and is treated as a homonym. Thus Cheilocostus is a >> replacement name for *Banksea*. However, already in 1791, Retzius had >> published a replacement name for *Banksea*, namely *Hellenia *Retzius. >> Thus, *Cheilocostus *is an illegitimate superfluous name for *Hellenia*. >> >> Dr. Suchandra Dutta (2010) proposed a new combination based on this, as >> *Hellenia >> speciosa (*J.Koenig) S.R.Dutta (2010: 152) but she considered the >> basionym to be *Costus speciosus* Koenig ex Smith instead of *Banksea >> speciosa* J.G. Koenig thus the combination became illegitimate. However >> she rectified the mistake and legitmately published the name *Hellenia >> speciosa* (J. Koenig ex Smith) S. Duta later (Pleione 7(1): 28 - 29. >> 2013). >> >> Goaverts (2013) published the same combination in same year (2013) as >> *Hellenia >> speciosa* (J.Koenig) Govaerts unaware of the second publication of Dr. >> Dutta (Phytotaxa 151 (1): 63–64; 2013). However according to the rule of >> priority the combination of Dr. Dutta is valid which hadbeen published >> earlier. >> >> Thus the correct name is *Hellenia speciosa (J. Koenig ex Smith) S. >> Dutta, Pleione 7(1): 228. 2013* >> >> *regards* >> >> >> On Friday, 8 August 2014 02:33:12 UTC+5:30, Gurcharan Singh wrote: >>> >>> >>> *Cheilocostus* *speciosus* (J. Koenig) C. D. Specht >>> (syn: Costus speciosus J. Koenig >>> >>> Wild ginger, Cane reed >>> >>> Photographed from TDL Herbal Garden Yamunanagar, pl. validate >>> >>> Dr. Gurcharan Singh >>> Retired Associate Professor >>> SGTB Khalsa College, University of Delhi, Delhi-110007 >>> Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018. >>> Phone: 011-25518297 Mob: 9810359089 >>> http://www.gurcharanfamily.com/ >>> http://people.du.ac.in/~singhg45/ >>> >>> -- >> You received this message because you are subscribed to the Google Groups >> "efloraofindia" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To post to this group, send email to [email protected]. >> Visit this group at http://groups.google.com/group/indiantreepix. >> For more options, visit https://groups.google.com/d/optout. >> > > > > -- > Regards, > > Dr. Nidhan Singh > Assistant Professor > Department of Botany > I.B. (PG) College > Panipat-132103 Haryana > Ph.: 09416371227 > > -- > You received this message because you are subscribed to the Google Groups > "efloraofindia" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/indiantreepix. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "efloraofindia" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/indiantreepix. For more options, visit https://groups.google.com/d/optout.
